AGM-131 SRAM II

The AGM-131 SRAM II was a short-range, self-guided nuclear missile designed in the Cold War for United States Air Force bombers and cancelled before production. It began as the Advanced Air-to-Surface Missile, approved as a new start in 1983, and was meant to replace the original SRAM by giving the B-1B and the planned stealth bomber a supersonic, low-radar-cross-section weapon able to attack defended targets and enemy surface-to-air missile sites from outside their defenses. Planned range was 250 miles with a single warhead of 200 kilotons that used insensitive high explosive for safer storage. Its airframe was largely composite, it used a laser ring-gyro inertial guidance system, and Boeing built it with a two-pulse solid rocket motor. Motor problems cut its range and accuracy, costs rose and the program ended in 1991 as an arms control measure.